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(WIP) SPIR-V Shader Translator

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This commit is contained in:
Dr. Chat
2016-02-20 18:44:37 -06:00
parent b5a0c4715b
commit 4aff1c19a7
4 changed files with 918 additions and 58 deletions
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24
src/xenia/gpu/spirv_shader_translator.h
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@@ -32,7 +32,10 @@ class SpirvShaderTranslator : public ShaderTranslator {
std::vector<uint8_t> CompleteTranslation() override;
void PostTranslation(Shader* shader) override;
void PreProcessControlFlowInstruction(uint32_t cf_index) override;
void ProcessLabel(uint32_t cf_index) override;
void ProcessControlFlowInstructionBegin(uint32_t cf_index) override;
void ProcessControlFlowInstructionEnd(uint32_t cf_index) override;
void ProcessControlFlowNopInstruction() override;
void ProcessExecInstructionBegin(const ParsedExecInstruction& instr) override;
void ProcessExecInstructionEnd(const ParsedExecInstruction& instr) override;
@@ -75,6 +78,27 @@ class SpirvShaderTranslator : public ShaderTranslator {
// TODO(benvanik): replace with something better, make reusable, etc.
std::unique_ptr<spv::Builder> builder_;
spv::Id glsl_std_450_instruction_set_ = 0;
// Types
spv::Id float_type_ = 0, bool_type_ = 0;
spv::Id vec2_float_type_ = 0, vec3_float_type_ = 0, vec4_float_type_ = 0;
spv::Id vec4_uint_type_ = 0;
spv::Id vec4_bool_type_ = 0;
// Constants
spv::Id vec4_float_zero_ = 0, vec4_float_one_ = 0;
// Array of AMD registers
// These values are all pointers.
spv::Id registers_ptr_ = 0, registers_type_ = 0;
spv::Id consts_ = 0, a0_ = 0, aL_ = 0, p0_ = 0;
spv::Id ps_ = 0, pv_ = 0; // IDs of previous results
spv::Id pos_ = 0;
spv::Id interpolators_ = 0;
// Map of {binding -> {offset -> spv input}}
std::map<uint32_t, std::map<uint32_t, spv::Id>> vertex_binding_map_;
std::map<uint32_t, spv::Block*> cf_blocks_;
};
} // namespace gpu